fix: unclosed <Tab> issue (#1778)

Author: mdrxy

src/oss/python/integrations/tools/parallel_search.mdx

@@ -235,7 +235,7 @@ if "search_metadata" in result:
 
 We can use our tool in a chain by first binding it to a [tool-calling model](/oss/langchain/tools/) and then calling it:
 
-import ChatModelTabs from "@theme/ChatModelTabs";
+import ChatModelTabs from '/snippets/chat-model-tabs.mdx';
 
 <ChatModelTabs customVarName="llm" />
 

src/snippets/chat-model-tabs.mdx

@@ -134,43 +134,42 @@
             model = ChatBedrock(model="anthropic.claude-3-5-sonnet-20240620-v1:0")
             ```
         </CodeGroup>
+    </Tab>
+    <Tab title="HuggingFace">
+        👉 Read the [HuggingFace chat model integration docs](/oss/python/integrations/chat/huggingface/)
 
-<Tab title="HuggingFace">
-    👉 Read the [HuggingFace chat model integration docs](/oss/python/integrations/chat/huggingface/)
-
-    ```shell
-    pip install -U "langchain[huggingface]"
-    ```
+        ```shell
+        pip install -U "langchain[huggingface]"
+        ```
 
-    <CodeGroup>
-        ```python init_chat_model
-        import os
-        from langchain.chat_models import init_chat_model
+        <CodeGroup>
+            ```python init_chat_model
+            import os
+            from langchain.chat_models import init_chat_model
 
-        os.environ["HUGGINGFACEHUB_API_TOKEN"] = "hf_..."
+            os.environ["HUGGINGFACEHUB_API_TOKEN"] = "hf_..."
 
-        model = init_chat_model(
-            "microsoft/Phi-3-mini-4k-instruct",
-            model_provider="huggingface",
-            temperature=0.7,
-            max_tokens=1024,
-        )
-        ```
+            model = init_chat_model(
+                "microsoft/Phi-3-mini-4k-instruct",
+                model_provider="huggingface",
+                temperature=0.7,
+                max_tokens=1024,
+            )
+            ```
 
-        ```python Model Class
-        import os
-        from langchain_huggingface import ChatHuggingFace, HuggingFaceEndpoint
+            ```python Model Class
+            import os
+            from langchain_huggingface import ChatHuggingFace, HuggingFaceEndpoint
 
-        os.environ["HUGGINGFACEHUB_API_TOKEN"] = "hf_..."
+            os.environ["HUGGINGFACEHUB_API_TOKEN"] = "hf_..."
 
-        llm = HuggingFaceEndpoint(
-            repo_id="microsoft/Phi-3-mini-4k-instruct",
-            temperature=0.7,
-            max_length=1024,
-        )
-        model = ChatHuggingFace(llm=llm)
-        ```
-    </CodeGroup>
-</Tab>
+            llm = HuggingFaceEndpoint(
+                repo_id="microsoft/Phi-3-mini-4k-instruct",
+                temperature=0.7,
+                max_length=1024,
+            )
+            model = ChatHuggingFace(llm=llm)
+            ```
+        </CodeGroup>
     </Tab>
 </Tabs>